:root {
  --ink: #172c31;
  --teal: #006d69;
  --cyan: #0bd2c7;
  --red: #e94a40;
  --paper: #f8f6f1;
  --line: #d5dbd6;
  --muted: #53676b;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
  line-height: 1.85;
}

h1,h2,h3,p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

.wrap {
  width: min(1160px,89%);
  margin: auto;
}

.top {
  background: white;
  border-bottom: 1px solid var(--line);
}

.top .wrap {
  height: 86px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.top-right {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
}

.button {
  background: var(--teal);
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 45px;
  padding: 17px 26px;
  font-size: 16px;
  font-weight: 700;
  border-radius: 4px;
  transition: background .2s,transform .2s;
}

.button:hover {
  background: #004b48;
  transform: translateY(-2px);
}

.button .arr {
  font-size: 23px;
  line-height: 1;
}

.top .button {
  font-size: 14px;
  padding: 11px 20px;
  gap: 24px;
}

h1 {
  font-size: clamp(28px,3.3vw,43px);
  line-height: 1.55;
  letter-spacing: -.04em;
  font-weight: 900;
}

.note {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
  margin-top: 14px;
}

.section {
  padding: 90px 0;
}

.eyebrow {
  font-size: 14px;
  color: var(--teal);
  letter-spacing: .1em;
  font-weight: bold;
}

.heading {
  font-size: clamp(28px,3.3vw,41px);
  line-height: 1.55;
  letter-spacing: -.04em;
  margin-top: 14px;
}

.intro {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 65px;
  align-items: center;
}

.intro h2 {
  font-size: 36px;
  line-height: 1.6;
}

.intro h2 span {
  color: var(--teal);
}

.intro p {
  font-size: 16px;
  color: var(--muted);
}

.intro .mini-line {
  height: 3px;
  width: 50px;
  background: var(--red);
  margin-bottom: 28px;
}

.benefit-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 50px;
}

.benefit-list article {
  padding: clamp(18px, 2.5vw, 30px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.benefit-label {
  color: var(--teal);
  font-size: clamp(19px, 2.1vw, 26px);
  font-weight: 800;
  line-height: 1.45;
  margin: 0 0 12px;
}

.benefit-copy {
  font-size: 18px;
  line-height: 1.7;
  margin: 0;
}

.white {
  background: white;
}

.flow-head {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: end;
  margin-bottom: 40px;
}

.flow-head p {
  max-width: 360px;
  font-size: 15px;
  color: var(--muted);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.step {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 25px;
  background: var(--paper);
  padding: 36px;
  border: 1px solid var(--line);
  align-items: start;
}

.step-number {
  font-size: 70px;
  line-height: 1;
  color: var(--teal);
  letter-spacing: -.05em;
}

.step-number small {
  display: block;
  font-size: 12px;
  letter-spacing: .14em;
  margin-bottom: 10px;
}

.step h3 {
  font-size: 23px;
  line-height: 1.65;
  margin-bottom: 14px;
}

.step p {
  font-size: 16px;
  color: var(--muted);
}

.step .important {
  background: #fff;
  border-left: 3px solid var(--red);
  padding: 12px 16px;
  margin-top: 16px;
  font-size: 15px;
  color: var(--ink);
}

.faq-grid {
  display: grid;
  grid-template-columns: .65fr 1.35fr;
  gap: 65px;
}

details {
  border-bottom: 1px solid var(--line);
  padding: 23px 0;
}

details:first-child {
  border-top: 1px solid var(--line);
}

summary {
  font-size: 17px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-weight: 700;
}

summary::-webkit-details-marker {
  display: none;
}

summary:after {
  content: '+';
  color: var(--teal);
  font-size: 24px;
}

details[open] summary:after {
  content: '−';
}

details p {
  font-size: 16px;
  color: var(--muted);
  margin: 15px 0 0;
}

.final {
  background: var(--paper);
  padding: 70px 0;
}

.final .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.final h2 {
  font-size: 33px;
  line-height: 1.6;
}

.final p {
  font-size: 16px;
  color: var(--muted);
  margin-top: 13px;
}

.operator {
  padding: 32px 0 calc(104px + env(safe-area-inset-bottom, 0px));
  background: var(--ink);
  color: #fff;
}

.operator .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.operator a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.operator p {
  font-size: 13px;
  color: #c7d6d4;
}

.fixed-apply {
  display: flex;
  position: fixed;
  inset: auto 0 0;
  z-index: 10;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 10px 5% calc(10px + env(safe-area-inset-bottom, 0px));
  background: #fff;
  border-top: 1px solid var(--line);
}

.fixed-apply p {
  font-size: 15px;
}

.fixed-apply strong {
  color: var(--red);
  font-size: 24px;
}

.fixed-apply .button {
  justify-content: center;
  gap: 12px;
  padding: 10px 24px;
  font-size: 16px;
  white-space: nowrap;
}

a:focus-visible,summary:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 5px;
}

@media(max-width:900px) {

  .step {
    grid-template-columns: 80px 1fr;
  }

  .intro {
    gap: 35px;
  }

  .top-right>a:not(.button) {
    display: none;
  }
}

@media(max-width:650px) {
  .wrap {
    width: 89%;
  }

  .top .wrap {
    height: 76px;
  }

  .top .button {
    font-size: 13px;
    padding: 10px 13px;
    gap: 12px;
  }

  h1 {
    font-size: 28px;
    line-height: 1.65;
  }

  .note {
    font-size: 13px;
  }

  .section {
    padding: 55px 0;
  }

  .intro,.faq-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .intro h2 {
    font-size: 29px;
  }

  .intro p {
    font-size: 16px;
  }

  .intro .mini-line {
    margin-bottom: 20px;
  }

  .benefit-list {
    grid-template-columns: 1fr;
    margin-top: 30px;
  }

  .benefit-label {
    font-size: 22px;
  }

  .flow-head {
    display: block;
    margin-bottom: 26px;
  }

  .flow-head p {
    margin-top: 20px;
    font-size: 16px;
  }

  .heading {
    font-size: 29px;
  }

  .step {
    grid-template-columns: 46px 1fr;
    padding: 24px 18px;
    gap: 16px;
  }

  .step-number {
    font-size: 43px;
  }

  .step-number small {
    font-size: 10px;
  }

  .step h3 {
    font-size: 20px;
  }

  .step p {
    font-size: 16px;
  }

  .step .important {
    font-size: 15px;
    padding: 12px;
  }

  .eyebrow {
    font-size: 14px;
  }

  .final .wrap {
    display: block;
  }

  .final h2 {
    font-size: 28px;
  }

  .final .button {
    display: flex;
    margin-top: 25px;
  }

  .operator .wrap {
    display: block;
  }

  .operator p {
    font-size: 13px;
    margin-top: 15px;
  }

  .fixed-apply p {
    display: none;
  }

  .fixed-apply .button {
    width: 100%;
    max-width: 400px;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.campaign-hero {
  padding: 26px 0 30px;
}

.campaign-hero-picture,
.campaign-hero-picture img {
  display: block;
  width: 100%;
  height: auto;
}

.campaign-hero-picture img {
  border-radius: 10px;
}

.campaign-hero-actions {
  margin-top: 24px;
  text-align: center;
}

@media (max-width: 650px) {
  .campaign-hero {
    padding: 14px 0 20px;
  }

  .campaign-hero > .wrap {
    width: min(96%, 550px);
  }

  .campaign-hero-actions .button {
    width: 100%;
  }
}